Schlick Series 940-943 Two-Substance Nozzles - Düsen-Schlick ...

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Schlick
Series 940-943
Two-Substance
Nozzles
Applications:
- Air conditioning
- Coating
- Combustion
- Disinfecting
- Finishing
- Fluid bed technology
- Granulating
- Mixing
- Process engineering
- Recovery
- Spray drying
- Tobacco industry
Technical information 16/01

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Schlick two-substance nozzles
• With the help of an atomising medium, two-substance
nozzles Series 940-943 can atomise liquid to get a large
specific surface.
• The atomising medium can be compressed air, gas, or
steam at 0.5 bar upwards.
• External mix nozzles allow independent control of flow
rate and droplet fineness.
• Optionally, the nozzle spray angle can be set between
10° and 40° by the air cap setting. Turning the air cap
back reduces airflow and spray angle. Turning the air
cap forwards increases airflow and spray angle.
• The required air cap setting should be determined by
trial and error depending on the application.
Air cap setting:
- position 0: the nozzle is closed
- position 5: normal setting
• The liquid pressure differential can be used to control
the flow rate on all versions.
• On versions with a control needle the needle setting
can also be used to control the flow rate. Within certain
limits the nozzles in this series also function as injectors.
• Depending on viscosity, flow rate, density, and surface
tension this series is also available
- with control needle - without initial atomisation
- with cleaning needle - with swirl chamber
• Nozzles without initial atomisation are particularly suited
to the atomisation of viscous media and suspensions.
• All individual parts are available as spares. This ensures
performance repeatability.
• Atomised spray pattern:
- normal:
Circular full cone of 10° to 40°
- with flat jet air cap:
Oval, flat jet of approx. 30° x 70°
• Type of atomisation:
- fog, down to very fine
- droplet size less than 50 – 150 microns
Design forms
Model 940
Borehole in liquid insert:
0.5 – 0.8 mm
Model 941
Borehole in liquid insert:
1.0 – 1.2 mm
Standard Model 942
Borehole in liquid insert:
1.4 – 2.0 mm
Model 943
Borehole in liquid insert:
2.0 – 2.3 mm
Fig. 16001
All nozzle forms are available with
lengthened liquid inserts.
Fig. 16002
Nozzle designs
Form 0
Basic model (with blind plug). Designed for the
atomisation of liquids that are either siphoned or
fed by gravity at a slight incline.
Fig. 16003
Form 1
With blind plug and swirl chamber. Designed for fine
atomisation of liquids under pressure. Especially suitable
for integration in textile web moisturising equipment.
Fig. 16004
Form 3
Supplied with a needle.
For fast nozzle orifice cleaning during operation.
Designed for the atomisation of sticky, impure,
or highly viscous liquids, etc.
Fig. 16005
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Nozzle designs
Form 4
Supplied with a liquid flow control needle for atomising
tasks having highly variable flow rates.
Fig. 16006
Form 5
As Form 4, but with a scale etched on the liquid control
needle for fine setting of the flow rate, designed for
experiments, laboratories, etc.
Fig. 16007
Form 6
With straight (centrical) liquid feed, for atomisation of
highly viscous solutions, pastes, etc.
Fig. 16008
Form 7
Pneumatically controlled using the atomising air. The
nozzle needle closes the orifice automatically and abruptly
when the atomising air is shut off. Especially suitable for
etching, marking, cyclic spraying and above all for liquids
under pressure where drips are to be avoided.
Fig. 16009
Form 7-1
As Form 7, but with control by control air, with special
connector (atomising air can carry on blowing).
Fig. 16010
Form 8
With solenoid valve.
Standard design: 220 V, 50 Hz, 100 % ED.
Ambient temperature: max. 55 °C, enclosure protection IP 65.
Cycling frequency limited only by the changeover time.
Fig. 16011
Materials
- Brass - HASTELLOY
- Acid resistant stainless steel - Tantalum
- Heat resistant stainless steel - Titanium
- INCONEL
- PVC
- TEFLON
- Polypropylene
Custom products from other
materials available on request
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Performance specification
Model 940-943 – Two-substance nozzles
Atomising air consumption in Normal m 3 /h at 20 °C
Model 940-943 – Two-substance nozzles
Water flow rate in l/min at 16 °C
100
10
➝ Atomising air consumption in Normal m 3 /h at 20 °C
50
40
30
20
10
5
4
3
2
1.1
6 (0)
5
4
3
1
1 2 3 4 5 10 20 30 40
2
1
Air cap setting
➝ Water flow rate in l/min at 16 °C
5
4
3
2
1
0.5
0.4
0.3
0.2
0.1
0.1
0.5
0.2 0.3 0.4 0.5 1 2 3 4
2.2
1.8
1.5
1.2
0.8
Orifice diameter in mm
➝ Atomising air pressure p e in bar
➝ Differential pressure ∆p in bar
Model 940-943 – Two-substance nozzles
Performance specification
Model
Borehole
in liquid
insert
in mm
Atomising
air pressure
in bar
Atomising
air consumption
in Normal
m 3 /h
940 0.8 0.3 2.1
0.5 4.0
1.0 6.4
1.5 8.2
Max. siphon volume
in l/min,
Form 0, siphon height
in mm
0.080 0.060 0.040
0.100 0.080 0.050
0.125 0.110 0.090
0.150 0.125 0.110
Max. siphon volume
in l/min,
Form 3-8, siphon height
in mm
50 150 300 50 150 300
0.060 0.045 0.030
0.075 0.060 0.035
0.100 0.085 0.070
0.115 0.100 0.085
Best
air cap
setting
2
3
3
4
941 1.2 0.3 2.0
0.5 4.0
1.0 7.4
1.5 10.2
0.140 0.110 0.060
0.175 0.150 0.110
0.220 0.190 0.160
0.250 0.220 0.185
0.105 0.085 0.045
0.130 0.115 0.085
0.165 0.140 0.120
0.190 0.165 0.140
3
3
4
5
942 1.8 0.3 2.9
0.5 4.7
1.0 8.2
1.5 11.5
0.180 0.125 0.070
0.280 0.220 0.140
0.380 0.330 0.250
0.500 0.400 0.300
0.135 0.100 0.050
0.210 0.165 0.105
0.280 0.250 0.190
0.380 0.300 0.220
3
4
5
1-2
943 2.3 0.3 2.9
0.5 4.7
1.0 8.2
1.5 11.5
0.260 0.175 0.085
0.370 0.270 0.170
0.500 0.400 0.290
0.550 0.450 0.380
0.200 0.130 0.065
0.280 0.200 0.130
0.280 0.300 0.210
0.410 0.340 0.220
3
4
5
1-2
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Performance specification
Droplet size
Model 940-943 – Two-substance nozzles
Performance specification
Model 940 – Two-substance nozzles
Droplet size
Atomising
air pressure
Air
consumption
Max. water
flow rate
kg air/
kg water
140
120
50 microns 30 microns 15 microns
in bar
in m 3 /h
in l/h
100
1 9.2 20 0.55
2 13.5 35 0.45
3 18.0 55 0.39
4 23.0 75 0.36
5 27.5 96 0.32
6 32.0 125 0.32
➝ Max. water flow rate in l/h
80
60
40
20
0
1 2 3 4 5 6
➝ Atomising air pressure in bar
The values quoted in the table are the maximum flow rates
at which a fine atomisation with a mean volume droplet
size of 50 microns is ensured.
Custom versions
Model 940 Form 7-1 S132 – Two-substance nozzle
• Custom version S132 is characterised by its compact
design and simple construction.
• In comparison to the standard design it consists of
fewer components. This simplifies installation, removal,
and the cleaning of individual components.
• The function and spray pattern correspond to the
standard version.
• All individual parts are available from stock.
• The nozzle can be fitted with a liquid return and a
fixing block.
• In comparison to the standard design, however, the
versatility is less.
• The nozzle is easily installed with the help of the fixing
block.
Fig. 16012
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Custom versions
Model 0/63 Form 0 – Two-substance nozzle
with patented internal mix cap
• The liquid and atomising medium is intensively mixed
inside the air cap. A fine, two-phase mix leaves the
nozzle through several orifices.
• A wide spray cone angle of approximately 70° is
achieved with the help of the internal mix air cap.
• The spray’s velocity is significantly less than that of
external mix Two-substance nozzles.
• The volume flow density is almost constant over the
whole of the spray cone.
• Model 940 is quickly changed to Model 0/63 or
vice-versa by simply changing the air cap.
Two-substance Model 0/63 is available in all designs.
Fig. 16013
Model 940 Form 3 S2 – Two-substance nozzle
With front end thread for screwing into container
or tank walls
Fig. 16014
Model 940 Form 7 – Two-substance nozzle
With fixing block
Fig. 16015
Model 940 Form S 124 – Two-substance nozzle
With DIN 11887 screw fitting
Fig. 16016
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Custom designs/specialities
Model 940 Form 7-1 S61 – Two-substance nozzle
With heater/chiller sleeve
Fig. 16017
Model 940 Form 7-1 S 123 – Two-substance nozzle
With membrane (CIP construction)
Fig. 16018
Insertion pipe 940 S39
Fig. 16019
Header spray pipe with three Model 940 Form 7-1 nozzles
Fig. 16020
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Service spectrum
Pilot test laboratory
Before any new spray nozzles are used
we subject them to comprehensive
trials in our own test laboratory – if need
be to your operational parameters.
During these tests, we precisely
determine droplet size, velocities and
flow densities with our modern DUAL
PDA laser-measuring equipment.
Test nozzles
Schlick spray nozzles are world
renowned for highest precision. We
can offer you the best and most
lasting solution to your requirements.
And, if you want, we can supply
you with test nozzles in advance –
just contact us.
Engineering
Take advantage of our comprehensive
expertise – from design to installation
– the conception of new products or
the optimisation of existing plant. We
would be glad to help you improve
the success of your operation.
Repair service
As well as competent advice and its
inception, you can profit from an
efficient after-sales service that
guarantees long-term supply of all
products. We carry out both repair
and conversion of Schlick spray
nozzles, and in emergency, we can
supply spare parts quickly and reliably.
Onsite service
If required we will investigate and
develop an optimal solution to suit
individual requirements onsite. We
will advise you and give you support
during installation and initial start-up
of the plant. A further plus is the
help available from our worldwide
technical field service network.
Custom products
As one of the leading spray nozzle
manufacturers in Europe, we can
offer both high quality standard
solutions and are in the position of
developing customised products for
individual tasks as fast as possible,
even for small production runs.
Documentation to the
customer’s requirements
Reliability and quality are the basis
for successful cooperation with our
international customers. This applies
both to our products and to our
service. If you wish, we will supply
you with all necessary documentation
such as technical handbooks for the
nozzles (drawings, flow diagrams,
installation and operating instructions)
together with factory and material
specifications.
All specifications are subject to change (flow
rates/dimensions).
The performance/flow rate specifications quoted
are descriptive or product identities and can vary
by up to ±5 percent on delivery.
Certified by
to DIN EN ISO
9001: 2000
Düsen-Schlick GmbH
Hutstraße 4
96253 Untersiemau
Germany
Tel. +49 95 65 94 81 0
Fax +49 95 65 28 70
info@duesen-schlick.de
www.duesen-schlick.de
www.duesen-schlick.com
d·LH·02.03